Distillation head



FIG. 1 is a right side elevational view of a distillation head, showing my new design;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is top plan view thereof; and,

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a cross sectional view thereof.

The broken lines shown in the figures represent portions of the distillation head that form no part of the claimed design. 

CLAIM The ornamental design for a distillation head, as shown and described. 